Acid rain comes from _____. 
#29890
A
the river
B
the water
C
the clouds
D
the forests
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Yao Ming is in          .
#29466
A
BBC
B
NBA
C
CCTV
D
UN
This is _________ bedroom. It’s big and clean.
#29239
A
Lily and Lucy
B
Lily’s and Lucy
C
Lily and Lucy’s
D
Lily’s and Lucy’s
“What’s this? ”“ ________. ”
#28365
A
It’s pen
B
This is pen
C
It’s a pen
D
This is an pen
Tom and Mike are _____________.
#28500
A
sisters
B
boy
C
friends
D
brother